methyl 4-oxotetrahydrothiophene-3-carboxylate

Methyl 4-oxo tetrahydrothiophene-3-carboxylic acid ester, this is an organic compound. Its chemical structure can be expressed in the ancient words of "Tiangong Kaiwu", which can be described as follows.
Looking at this compound, its core is the ring system of tetrahydrothiophene. This ring contains sulfur atoms and is in the shape of a ring, just like the ancient jade ring, which is natural. There are four hydrogen atoms connected to it on the ring, just like pearl jade inlaid on the ring.
The third position of the ring is connected with a carboxylic acid ester group. The carboxylic acid ester is obtained by the esterification reaction of the carboxyl group and the alcohol. The carboxyl group here is like a human arm extension, and after combining with the alcohol, it forms a unique structure. The alcohol part is a methyl group, like a small accessory, attached to the carboxyl group.
The fourth position of the ring is an oxo group. The oxygen atom, that is, the hydrogen atom in this position on the ring, is replaced by an oxygen atom. The oxygen atom here is like a finishing touch, giving the whole structure a different chemical activity.
In this way, the structure of methyl 4-oxo tetrahydrothiophene-3-carboxylate is like a delicate utensil, composed of ingenious combinations of parts, and the parts are interrelated to form a unique chemical substance, which plays its specific role in the field of organic chemistry.

Methyl 4-oxytetrahydrothiophene-3-carboxylic acid ester is one of the organic compounds, which is widely used in chemical industry, medicine and other fields.
In the chemical industry, one of them is the key intermediate of organic synthesis. With its unique chemical structure, it can participate in multiple chemical reactions, such as esterification, condensation, substitution and other reactions, to build more complex organic molecules. In this way, materials with specific properties can be prepared, such as used in plastics, rubber, coatings and other industries, giving such materials such as better stability, wear resistance or special optical and electrical properties.
In the field of medicine, its significance is extraordinary. It can be used as a starting material or key intermediate for the synthesis of many drugs. Due to the fact that human physiological activities often involve the interaction of organic molecules with specific structures, the structure of this compound can be chemically modified to meet the needs of drug binding with biological targets. For example, some drugs with anti-inflammatory, antibacterial, and anti-tumor activities may need to be synthesized on the basis of a series of reactions to construct pharmacoactive groups, and then develop new drugs with significant efficacy, making great contributions to human health.
Furthermore, in the research of materials science, this compound has also emerged. By chemically modifying them, researchers can prepare functional materials with excellent performance, such as adsorption materials with special adsorption properties, or smart materials that exhibit response characteristics under specific conditions, which have potential applications in environmental monitoring, separation and purification.
In summary, methyl 4-oxytetrahydrothiophene-3-carboxylate plays an important role in many fields such as chemical industry, medicine and materials science, promoting technological innovation and development in various fields.

There are several common methods for synthesizing methyl 4-oxytetrahydrothiophene-3-carboxylic acid esters.
First, a thiophene ring can be constructed from a suitable starting material through multi-step reaction. If the compound containing sulfur and carbonyl is used as the starting point, under suitable reaction conditions, it goes through steps such as condensation and cyclization. First, the sulfur-containing reagent and the carbonyl-containing compound undergo a condensation reaction under base catalysis to form a preliminary sulfur-containing intermediate. This process requires precise control of the reaction temperature and the amount of base to prevent side reactions from occurring. Subsequently, by adjusting the pH and reaction time of the reaction system, the intermediate is cyclized to form a thiophene ring structure. Finally, the substituents on the ring are modified to introduce carboxyl groups and form esters to obtain the target product.
Second, the existing thiophene derivatives can be used for functional group transformation. If there is a suitable thiophene parent, a carbonyl group can be introduced at a specific position through oxidation reaction, and then a methyl group can be introduced at the carboxyl group by esterification reaction to synthesize methyl 4-oxytetrahydrothiophene-3-carboxylic acid ester. In this process, the oxidation step requires the selection of suitable oxidants, such as mild Dess-Martin oxidants or stronger chromium reagents, depending on the activity of the substrate. The esterification reaction needs to consider the activity of alcohol and acid, and acid-catalyzed or base-catalyzed esterification methods can be selected to achieve efficient synthesis.
Third, the reaction path catalyzed by transition metals can be tried. With sulfur-containing and alkenyl-containing or alkynyl-containing compounds as raw materials, under the action of transition metal catalysts such as palladium and nickel, cyclization and addition reactions occur to construct thiophene rings, and the desired carbonyl and carboxyl ester groups are introduced at the same time. This method requires fine screening of the ligands of the catalyst to regulate the regioselectivity and stereoselectivity of the reaction, so that the target product can be obtained in high yield and high selectivity.
Each of the above methods has its own advantages and disadvantages, and the appropriate synthesis route should be carefully selected according to factors such as the availability of actual raw materials, the controllability of reaction conditions, and the purity requirements of the target product.

Methyl 4-oxo-tetrahydrothiophene-3-carboxylic acid ester is a kind of organic compound. Its physical properties are particularly important, which is related to the use and characteristics of this compound.
Looking at its properties, under normal conditions, it is mostly in a liquid state, which is caused by its molecular structure and intermolecular forces. Its color is often nearly colorless, but it may be slightly yellowish due to the addition of impurities, just like the morning light and slightly dyed, pure and slightly different colors.
When it comes to boiling point, it is about within a specific temperature range. The value of this boiling point is determined by its intermolecular hydrogen bonds, van der Waals forces and other forces. When the temperature rises to this point, the thermal motion of the molecules intensifies, enough to break free from each other's shackles, from the liquid state to the gaseous state, just like a bird breaking free from the cage and rising freely.
Melting point is also one of the key physical properties. In a specific low temperature environment, the molecular movement gradually slows down, moves closer to each other, arranges in an orderly manner, and then forms a solid state. This temperature is the melting point. The level of its melting point is like a scale, measuring the strength of the force between molecules.
In terms of solubility, methyl 4-oxytetrahydrothiophene-3-carboxylate can be dissolved in organic solvents such as ethanol and ether, just like a fish getting water, leisurely melting. Due to the similar chemical structure and force between the solvent and solute molecules, it follows the principle of "similarity and dissolution". However, in water, the solubility is very small, just like the difficulty of oil and water, which is caused by the difference in the polarity of the two molecules.
Density is also characterized by its physical properties. Its density may be different from that of water. This difference determines its position and distribution in the liquid mixture system, just like things of different weights, which float differently in water.
In addition, this substance may have a special odor. Although it is difficult to describe accurately, it is like a unique logo, providing different clues for identifying this substance. And its stability to light and heat is also involved in physical properties. The action of light and heat may cause changes in molecular structure, such as under sunlight, certain substances are prone to change. This compound may also be the case, and it needs to be properly preserved to protect it from light and heat.

Methyl 4-oxotetrahydrothiophene-3-carboxylic acid ester is in the market, and its price range is difficult to determine. The price of this product often changes for many reasons.
First, it is related to the supply of goods. If it is widely produced and fully supplied, the price may be affordable; if it is thin and undersupplied, the price will be high. Second, it depends on the quality. Those with high quality, the price will be higher than ordinary. Third, the supply and demand of the market is also the main reason. There is a lot of demand but the supply is not enough, and the price will rise; if there is a lack of demand and more supply, the price will fall.
I have heard that in the past, the price of this product has changed significantly. Either because of changes in the price of raw materials, or because of new innovations in manufacturing methods, or because of changes in supply and demand in the market. Although it is difficult to specify an exact price range, in general, the price may range from a few yuan to a few tens of yuan per gram. However, this is only a rough estimate, not an exact number. Market conditions are impermanent, and prices can change at any time. If you want to know the details, you should consult the franchisee or observe the current market conditions.